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added some stuff for signing keys

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This commit is contained in:
Werner Koch 1997-12-16 19:15:09 +00:00
parent 68ea0f4353
commit 15426c6d96
27 changed files with 750 additions and 267 deletions
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49
util/iobuf.c
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@ -370,6 +370,36 @@ iobuf_create( const char *fname )
return a;
}
/****************
* append to a iobuf if the file does not exits; create it.
* cannont be used for stdout.
*/
IOBUF
iobuf_append( const char *fname )
{
IOBUF a;
FILE *fp;
file_filter_ctx_t *fcx;
size_t len;
if( !fname )
return NULL;
else if( !(fp = fopen(fname, "ab")) )
return NULL;
a = iobuf_alloc(2, 8192 );
fcx = m_alloc( sizeof *fcx + strlen(fname) );
fcx->fp = fp;
strcpy(fcx->fname, fname );
a->filter = file_filter;
a->filter_ov = fcx;
file_filter( fcx, IOBUFCTRL_DESC, NULL, (byte*)&a->desc, &len );
file_filter( fcx, IOBUFCTRL_INIT, NULL, NULL, &len );
if( DBG_IOBUF )
log_debug("iobuf-%d.%d: append '%s'\n", a->no, a->subno, a->desc );
return a;
}
/****************
* Register an i/o filter.
*/
@ -709,8 +739,25 @@ iobuf_tell( IOBUF a )
int
iobuf_seek( IOBUF a, ulong newpos )
{
file_filter_ctx_t *b = NULL;
return -1;
for( ; a; a = a->chain ) {
if( !a->chain && a->filter == file_filter ) {
b = a->filter_ov;
break;
}
}
if( !a )
return -1;
if( fseek( b->fp, newpos, SEEK_SET ) ) {
log_error("can't seek to %lu: %s\n", newpos, strerror(errno) );
return -1;
}
/* FIXME: flush all buffers (and remove filters?)*/
return 0;
}